Planet Fitness boasts 5 million members and a policy that bans what they call "gymtimidation." Its website says members can get in shape without being, "subjected to the hardcore look-at-me-attitude that exists in too many gyms."
The franchise goes even further and has a "lunk alarm" in every gym which sends off a siren if someone drops a weight or breathes too hard or shows any behavior that staff members consider "lunk-like

The gym sounds its “lunk alarm,” a siren and flashing lights, whenever a gym-goer is found displaying lunk-like behavior. Posters are said to define a lunk as “one who grunts, drops weights, or judges.”

The gym sounds its “lunk alarm,” a siren and flashing lights, whenever a gym-goer is found displaying lunk-like behavior. Posters are said to define a lunk as “one who grunts, drops weights, or judges.”